OpenTechnical

OT-2026-000012313

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, pulsed blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000012313) never changes.

Identity and time

Publication numberOT-2026-000012313 · never reused
Internal UUID01a0ae6d-39f5-73a0-ab9f-c39bc50f646f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012313
StatusPUBLIC

Content hashes

Canonical text63f2aa1381ddb3d6a850be76bc8adbcceaddbed1323dad816d410b8f273f848f
Markdowncda539b4063c58f4024f2e07c3a49ffd2bee9cfd1617e0b77baf4978c9643e9b
PDF
Publication pageca3ec1d10ed213b3e8ddd30d10abf175035dc04d5a00149fd51ddeec95022c84
Manifestdd649c079bf7baf751cf562deb3a2cf2fd2c946165389f678fce6320d819b04b

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureZGxdwFqq3XU66OQV0x+X8aWOTtLvQk4LBhfmBgCj5/eMYd5VWeIBAqiinMutYtQ1/dabwD3wGqiemAOc39GjAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:11:15.572762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012313
observed ca3ec1d10ed213b3e8ddd30d10abf175...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:15.554373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012313/manifest.json
observed dd649c079bf7baf751cf562deb3a2cf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:15.532927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012313/publication.md
observed cda539b4063c58f4024f2e07c3a49ffd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:15.514636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012313/publication.txt
observed 63f2aa1381ddb3d6a850be76bc8adbcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.